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Autor:
Dittrich, W.
Comparison of three different regularization methods of calculating the one-loop effective Heisenberg-Euler Lagrangian of quantum electro-dynamics (QED) is employed to derive some interesting integrals involving the asymptotic expansion of $\ln \Gamm
Externí odkaz:
http://arxiv.org/abs/1702.01927
Autor:
Dittrich, W.
Newton's potential of a massive homogeneous ellipsoid is derived via Dirichlet's discontinuous factor. At first we review part of Dirichlet's work in an English translation of the original German, and then continue with an extension of his method int
Externí odkaz:
http://arxiv.org/abs/1609.04709
Autor:
Dittrich, W.
We emphasize the usefulness of the Lie brackets in the context of classical and quantum mechanics. By way of examples we show that many dynamical systems, especially the ones with (gauge) constraints, can equally be treated in their time development
Externí odkaz:
http://arxiv.org/abs/1609.02322
Autor:
Dittrich, W.
This paper is devoted to one of the members of the G\"ottingen triumvirate, Gau{\ss}, Dirichlet and Riemann. It is the latter to whom I wish to pay tribute, and especially to his world-famous article of 1859, which he presented in person at the Berli
Externí odkaz:
http://arxiv.org/abs/1609.02301
Autor:
Dittrich, W., Shaisultanov, R.
Publikováno v:
Phys.Rev. D62 (2000) 045024
Motivated by several recent papers on string-inspired calculations in QED, we here present our own use of world-line techniques in order to calculate the vacuum polarization and effective action in scalar and spinor QED with external arbitrary consta
Externí odkaz:
http://arxiv.org/abs/hep-th/0001171
Akademický článek
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Autor:
Dittrich, W.
Comparison of three different regularization methods of calculating the one-loop effective Heisenberg-Euler Lagrangian of quantum electro-dynamics (QED) is employed to derive some interesting integrals involving the asymptotic expansion of $\ln �
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7288c010cadec58f087e434c4ee789f
Publikováno v:
Theory of Computing Systems. 2001, Vol. 34 Issue 2, p145. 45p.
Autor:
Dittrich, W.
Publikováno v:
Jahrbücher für Kultur und Geschichte der Slaven, 1925 Jan 01. 1(1), 69-83.
Externí odkaz:
https://www.jstor.org/stable/23234134
Publikováno v:
Visual Cognition. Dec96, Vol. 3 Issue 4, p363-392. 30p.